Interactions on record — worth a quick check against your medications. Based on 3 of 6 ingredients. Check your meds →
Dietary supplement

Adult's Probiotic 17 Billion Cells Ingredients & Drug Interactions

by Flora

Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Adult's Probiotic 17 Billion Cells is a dietary supplement by Flora with 6 active ingredients. Its ingredients are commonly taken for digestive health and balance, diarrhea (including antibiotic-related), vaginal yeast and bacterial infections.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Lactobacillus acidophilus HA-122, Bifidobacterium bifidum HA-132, Bifidobacterium breve HA-129. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Adult's Probiotic 17 Billion Cells by Flora

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 6 active ingredients.
  • “Adult Probiotic Blend” is a proprietary blend — the label gives one combined amount (82.12 mg) without saying how much of each component you get.

This capsule contains six active probiotic strains — Lactobacillus plantarum HA-119, Lactobacillus casei HA-108, Lactobacillus rhamnosus HA-111, Lactobacillus acidophilus HA-122, Bifidobacterium bifidum HA-132, and Bifidobacterium breve HA-129 — all live organisms meant to support your gut health. The product also contains inactive ingredients: potato starch, hydroxypropyl methylcellulose (a capsule material), ascorbic acid (a preservative), stearic acid, and silicon dioxide.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: support healthy intestinal microflora and gastrointestinal health.
  • We looked for evidence on: Antibiotic-associated diarrhea, Clostridioides difficile infection, Colic, Constipation, Inflammatory bowel disease (IBD), Irritable bowel syndrome (IBS) — and 4 related terms.
  • The strongest evidence on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Antibiotic-associated diarrhea (Natural Medicines).
  • Also on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Irritable bowel syndrome (IBS).
  • Also on file: Bifidobacterium Bifidum is rated "Possibly Effective" for Irritable bowel syndrome (IBS).

L. acidophilus shows possibly effective evidence for irritable bowel syndrome, Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis; it is possibly ineffective for atopic disease and has insufficient evidence for acute respiratory distress syndrome. B. bifidum is possibly effective for IBS and respiratory tract infections; it has insufficient evidence for hay fever, Alzheimer disease, and generalized anxiety disorder.

B. breve is possibly ineffective for age-related cognitive decline and sepsis, with insufficient evidence for hay fever, antibiotic-associated diarrhea, and atopic disease. The other three strains in this blend don't have established effectiveness ratings in the data we hold.

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

The probiotics in this product are generally well tolerated in healthy adults and children. Live organisms do carry a theoretical risk — in rare cases, some of these bacteria have been reported to cause infection, particularly in people with weakened immune systems or critical illness, though most documented cases are uncommon.

You may experience mild gastrointestinal side effects like gas, bloating, or abdominal discomfort when you first start, but these are uncommon. If you have a weakened immune system or serious illness, check with your doctor before use.

No pregnancy or breastfeeding safety data are on file for these ingredients, so talk with your healthcare provider for personalized advice if you're pregnant or nursing.

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 3 of the 3 matched ingredients can interact with medications — Lactobacillus Acidophilus, Bifidobacterium Breve, Bifidobacterium Bifidum.
  • The most serious interaction on file is rated Moderate.
  • For scale: 182 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Antibiotic drugs (Moderate severity) — these can kill the live probiotics in this product, making it less effective. Space out when you take them and this supplement.

Use the checker below to see if any of your other medications interact with the 182 individual drugs documented for these strains.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This is a multi-strain probiotic that may help with digestive and immune health, especially IBS. If you take antibiotics, you'll need to space out the timing.

People with healthy immune systems generally tolerate it well. Check with your pharmacist about your other medications and about whether it's right for you if you're pregnant, nursing, or have a weakened immune system.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 26, 2020.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Adult's Probiotic 17 Billion Cells, straight from the product label.

Brand Flora
Barcode (UPC) 061998619629
Net contents 120 Capsule(s)
Market status On market
Date entered into DSLD Feb 26, 2020
DSLD ID 213421
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Adult's Probiotic 17 Billion Cells by Flora, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
120
UPC/BARCODE
061998619629
IngredientAmount% DV
Lactobacillus plantarum HA-1190 NP--
Adult Probiotic Blend82.12 mg--
Lactobacillus casei HA-1080 NP--
Lactobacillus rhamnosus HA-1110 NP--
Lactobacillus acidophilus HA-1220 NP--
Bifidobacterium bifidum HA-1320 NP--
Bifidobacterium breve HA-1290 NP--

Other ingredients: Potato Starch, Hydroxypropyl Methylcellulose, Ascorbic Acid, Stearic Acid, Silicon Dioxide

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula

Adult's Probiotic includes 6 strains of beneficial bacteria.

6 adult-specific strains 17 billion cells at time of manufacture raw probiotics

Minimum 17 billion viable cells per capsule at time of manufacture. (Minimum 10 billion viable cells per capsule at printed two year expiration date.)

Formulation

It helps support healthy microflora in the small and large intestine, maintains gastrointestinal health, contributes to favorable gut flora, and is ideal for travelers to maintain healthy flora while away from home. Since probiotics are living organisms, their potency slowly decreases over time (2% per month).

Gluten free!

Storage

Keep refrigerated whenever possible and freeze to prolong shelf life.

For maximum potency keep product refrigerated. Freeze to prolong shelf life.

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

General Statements

Larger size- 120 count

Product of Canada

FDA Statement of Identity

Dietary Supplement

Precautions

Contains traces of milk and soy.

Caution: As with any dietary supplement, consult a physician if taking prescription medications or if you have a medical condition.

Security sealed for your protection. Do not use if seal is missing or damaged.

Suggested/Recommended/Usage/Directions

Suggested use: take one capsule up to 3 times per day on a full stomach.

See for yourself

Adult's Probiotic 17 Billion Cells by Flora label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Adult's Probiotic 17 Billion Cells by Flora

These are the 6 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container120 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Adult Probiotic Blend

82.12 mg per serving

Other (inactive) ingredients: Potato Starch, Hydroxypropyl Methylcellulose, Ascorbic Acid, Stearic Acid, Silicon Dioxide. These complete the product’s ingredient list but are not active constituents.

Interaction report

Adult's Probiotic 17 Billion Cells by Flora Drug Interactions

Want to check YOUR meds against Adult's Probiotic 17 Billion Cells?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
182Drugs
182 Moderate

Each ingredient & the kinds of drugs it affects

For each ingredient in Adult's Probiotic 17 Billion Cells with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Lactobacillus acidophilus HA-1221 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L. acidophilus.
L. acidophilus preparations usually contain live and active organisms. Therefore, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and L. acidophilus preparations by at least two hours.

Likelihood Probable Evidence D

Bifidobacterium bifidum HA-1321 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Bifidobacterium. bifidum with antibiotic drugs might decrease the effectiveness of B. bifidum.
Since B. bifidum preparations usually contain live and active organisms, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and B. bifidum preparations by at least 2 hours.

Likelihood Probable Evidence D

Bifidobacterium breve HA-1291 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Bifidobacterium breve with antibiotic drugs might decrease the effectiveness of B. breve.
Since B. breve preparations usually contain live and active organisms, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and B. breve preparations by at least 2 hours.

Likelihood Probable Evidence D
The maker

Brand information

Manufacturer and brand details for Adult's Probiotic 17 Billion Cells, from the product label.

Flora

See all Flora products
Name
FLORA INC.
Street Address
805 E. BADGER RD.
City
LYNDEN
State
WA
ZipCode
98264
Phone Number
1.800.446.2110
Web Address
www.florahealth.com
Pharmacist Counseling Corner

Adult's Probiotic 17 Billion Cells by Flora: Common Questions

Does Adult's Probiotic 17 Billion Cells by Flora interact with any medications?
Yes. Based on its ingredients, Adult's Probiotic 17 Billion Cells has a known interaction with 182 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Adult's Probiotic 17 Billion Cells contains 6 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
What do these probiotic strains actually do?
These are live bacteria meant to support your gut and digestive health. L. acidophilus, B. bifidum, and B. breve have the most evidence — they may help with irritable bowel syndrome, diarrhea from antibiotics, and digestive upset. The research is solid but not conclusive for all uses, and the other three strains in this blend don't have established effectiveness data yet.
Can I take this while I'm on antibiotics?
You can, but timing matters. Antibiotics kill bacteria — including the live probiotics in this product — so taking them together reduces how well the probiotics work. Talk to your pharmacist about spacing them out, usually a few hours apart.
What side effects should I watch for?
Gas, bloating, abdominal pain, or loose stool can happen when you start, but they're uncommon and usually mild. In very rare cases, these bacteria have caused serious infection in people with weakened immune systems, so if you're immunocompromised, check with your doctor first.
Is this safe if I'm pregnant or breastfeeding?
We don't have safety data on file for these strains during pregnancy or breastfeeding. Talk with your doctor or pharmacist — they can weigh the evidence and help you decide what's right for you.
Does this product have fillers?
It contains inactive ingredients like potato starch, ascorbic acid, and silicon dioxide. These are standard excipients that help make the capsule work, not active probiotics.
What if I'm on multiple medications?
Use the medication checker on this page to search your drugs against the strains we could check. If you're on antibiotics, that's the biggest interaction to watch. For any questions, ask your pharmacist — they can review your whole regimen.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Adult's Probiotic 17 Billion Cells is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Adult's Probiotic 17 Billion Cells label
Sources

Sources & How We Checked

Adult's Probiotic 17 Billion Cells's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 31 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Lactobacillus Acidophilus 15 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Begtrup LM, de Muckadell OB, Kjeldsen J, Christensen RD, Jarbøl DE. Long-term treatment with probiotics in primary care patients with irritable bowel syndrome--a randomised, double-blind, placebo controlled trial. Scand J Gastroenterol 2013;48(10):1127-35 PubMed
  3. Chatterjee S, Kar P, Das T, Ray S, Gangulyt S, Rajendiran C, Mitra M. Randomised placebo-controlled double blind multicentric trial on efficacy and safety of Lactobacillus acidophilus LA-5 and Bifidobacterium BB-12 for prevention of antibiotic-associated
  4. Shavakhi A, Tabesh E, Yaghoutkar A, Hashemi H, Tabesh F, Khodadoostan M,Minakari M, Shavakhi S, Gholamrezaei A. The effects of multistrain probiotic compound on bismuth-containing quadruple therapy for Helicobacter pylori infection: a randomized placebo-c
  5. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  6. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  7. Kumar S, Kumar R, Rohilla L, Jacob N, Yadav J, Sachdeva N. A high potency multi-strain probiotic improves glycemic control in children with new-onset type 1 diabetes mellitus: A randomized, double-blind, and placebo-controlled pilot study. Pediatr Diabete
  8. Shahriari A, Karimi E, Shahriari M, Aslani N, Khooshideh M, Arab A. The effect of probiotic supplementation on the risk of gestational diabetes mellitus among high-risk pregnant women: A parallel double-blind, randomized, placebo-controlled clinical trial PubMed
  9. Xiao SD, Zhang DZ, Lu H, et al. Multicenter, randomized, controlled trial of heat-killed Lactobacillus acidophilus LB in patients with chronic diarrhea. Adv Ther. 2003;20(5):253-60.
  10. Rossi F, Amadoro C, Gasperi M, Colavita G. Lactobacilli infection case reports in the last three years and safety implications. Nutrients. 2022;14(6):1178. PubMed
  11. Ozer M, Goksu SY, Shahverdiani A, Mustafa M. Lactobacillus acidophilus-induced endocarditis and associated splenic abscess. Case Rep Infect Dis 2020;2020:1382709.
  12. Sadrin S, Sennoune S, Gout B, et al. A 2-strain mixture of Lactobacillus acidophilus in the treatment of irritable bowel syndrome: A placebo-controlled randomized clinical trial. Dig Liver Dis 2020;52(5):534-540. PubMed
  13. Stoffer JN, Slingsby TJ, Giuliari GP. Lactobacillus acidophilus endophthalmitis after intravitreal bevacizumab injection requiring intraocular lens explantation. Can J Ophthalmol 2022;57(1):e21-e22. PubMed
  14. Cukovic-Cavka S, Likic R, Francetic I, Rustemovic N, Opacic M, Vucelic B. Lactobacillus acidophilus as a cause of liver abscess in a NOD2/CARD15-positive patient with Crohn's disease. Digestion 2006;73(2-3):107-10.
  15. Hui J, Ren Y, Wang Y, Han Q. Lactobacillus acidophilus endophthalmitis postcataract operation: A case report with a literature review. Ocul Immunol Inflamm 2023.

See these in context on the Lactobacillus Acidophilus monograph →

Bifidobacterium Bifidum 7 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Xiao JZ, Takahashi S, Odamaki T, et al. Antibiotic susceptibility of bifidobacterial strains distributed in the Japanese market. Biosci Biotechnol Biochem. 2010;74(2):336-42. PubMed
  3. Rerksuppaphol S, Rerksuppaphol L. Randomized controlled trial of probiotics to reduce common cold in schoolchildren. Pediatr Int. 2012;54(5):682-7. PubMed
  4. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  5. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  6. Pruccoli G, Silvestro E, Pace Napoleone C, Aidala E, Garazzino S, Scolfaro C. Are probiotics safe? Bifidobacterium bacteremia in a child with severe heart failure. Infez Med. 2019;27(2):175-178.
  7. Esaiassen E, Hjerde E, Cavanagh JP, Simonsen GS, Klingenberg C; Norwegian Study Group on Invasive Bifidobacterial Infections. Bifidobacterium bacteremia: Clinical characteristics and a genomic approach to assess pathogenicity. J Clin Microbiol. 2017;55(7) PubMed

See these in context on the Bifidobacterium Bifidum monograph →

Bifidobacterium Breve 9 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Xiao JZ, Takahashi S, Odamaki T, et al. Antibiotic susceptibility of bifidobacterial strains distributed in the Japanese market. Biosci Biotechnol Biochem. 2010;74(2):336-42. PubMed
  3. Pruccoli G, Silvestro E, Pace Napoleone C, Aidala E, Garazzino S, Scolfaro C. Are probiotics safe? Bifidobacterium bacteremia in a child with severe heart failure. Infez Med. 2019;27(2):175-178.
  4. Ohishi A, Takahashi S, Ito Y, et al. Bifidobacterium septicemia associated with postoperative probiotic therapy in a neonate with omphalocele. J Pediatr. 2010;156(4):679-81. PubMed
  5. Sakurai Y, Watanabe T, Miura Y, et al. Clinical and bacteriologic characteristics of six cases of Bifidobacterium breve bacteremia due to probiotic administration in the neonatal intensive care unit. Pediatr Infect Dis J 2022;41(1):62-65. PubMed
  6. Esaiassen E, Hjerde E, Cavanagh JP, Simonsen GS, Klingenberg C; Norwegian Study Group on Invasive Bifidobacterial Infections. Bifidobacterium bacteremia: Clinical characteristics and a genomic approach to assess pathogenicity. J Clin Microbiol. 2017;55(7) PubMed
  7. Wakabayashi Y, Nakayama S, Yamamoto A, et al. First case of necrotizing fasciitis and bacteremia caused by Bifidobacteriumbreve. Anaerobe 2022;76:102613.
  8. Takeda Y, Ota K, Kondo A, et al. A case of necrotizing fasciitis caused by Bifidobacterium breve. IDCases 2022;31:e01667. PubMed
  9. Suwantarat N, Romagnoli M, Wakefield T, Carroll KC. Ventriculoperitoneal shunt infection caused by Bifidobacterium breve. Anaerobe 2014;28:1-3. PubMed

See these in context on the Bifidobacterium Breve monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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